| Catalytic Exhausts
Europe spec'ed ST4's have catalytic mufflers, b ut the US ones don't. Are there any suppliers who provide compatible mufflers and does this require changes in tuning. Don't need anything as loud as Termis, but would like to have something a little more formidable than stock if possible (and if I buy an ST4S). | 
09-Nov-2004, 07:55 
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